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gerrit-public.fairphone.software / platform / external / ComputeLibrary / 46d5927c3461ec270de8b0fc087ac5dc2431488f / . / documentation / absdiff_8cl.xhtml
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Anthony Barbier46d59272017-05-04 09:15:15 +0100[diff] [blame^]43 &#160;<span id="projectnumber">17.05</span>
Anthony Barbier871448e2017-03-24 14:54:29 +0000[diff] [blame]44 </div>
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118<div class="title">absdiff.cl File Reference</div> </div>
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120<div class="contents">
121<div class="textblock"><code>#include &quot;<a class="el" href="helpers_8h_source.xhtml">helpers.h</a>&quot;</code><br />
122</div>
123<p><a href="absdiff_8cl_source.xhtml">Go to the source code of this file.</a></p>
124<table class="memberdecls">
125<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
126Functions</h2></td></tr>
127<tr class="memitem:abd1c22f3b8c5d2d0a1de36f45c38b88f"><td class="memItemLeft" align="right" valign="top">__kernel void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="absdiff_8cl.xhtml#abd1c22f3b8c5d2d0a1de36f45c38b88f">absdiff</a> (__global uchar *in1_ptr, uint in1_stride_x, uint in1_step_x, uint in1_stride_y, uint in1_step_y, uint in1_offset_first_element_in_bytes, __global uchar *in2_ptr, uint in2_stride_x, uint in2_step_x, uint in2_stride_y, uint in2_step_y, uint in2_offset_first_element_in_bytes, __global uchar *out_ptr, uint out_stride_x, uint out_step_x, uint out_stride_y, uint out_step_y, uint out_offset_first_element_in_bytes)</td></tr>
128<tr class="memdesc:abd1c22f3b8c5d2d0a1de36f45c38b88f"><td class="mdescLeft">&#160;</td><td class="mdescRight">Calculate the absolute difference of two input images. <a href="#abd1c22f3b8c5d2d0a1de36f45c38b88f">More...</a><br /></td></tr>
129<tr class="separator:abd1c22f3b8c5d2d0a1de36f45c38b88f"><td class="memSeparator" colspan="2">&#160;</td></tr>
130</table>
131<h2 class="groupheader">Function Documentation</h2>
132<a class="anchor" id="abd1c22f3b8c5d2d0a1de36f45c38b88f"></a>
133<div class="memitem">
134<div class="memproto">
135 <table class="memname">
136 <tr>
137 <td class="memname">__kernel void absdiff </td>
138 <td>(</td>
139 <td class="paramtype">__global uchar *&#160;</td>
140 <td class="paramname"><em>in1_ptr</em>, </td>
141 </tr>
142 <tr>
143 <td class="paramkey"></td>
144 <td></td>
145 <td class="paramtype">uint&#160;</td>
146 <td class="paramname"><em>in1_stride_x</em>, </td>
147 </tr>
148 <tr>
149 <td class="paramkey"></td>
150 <td></td>
151 <td class="paramtype">uint&#160;</td>
152 <td class="paramname"><em>in1_step_x</em>, </td>
153 </tr>
154 <tr>
155 <td class="paramkey"></td>
156 <td></td>
157 <td class="paramtype">uint&#160;</td>
158 <td class="paramname"><em>in1_stride_y</em>, </td>
159 </tr>
160 <tr>
161 <td class="paramkey"></td>
162 <td></td>
163 <td class="paramtype">uint&#160;</td>
164 <td class="paramname"><em>in1_step_y</em>, </td>
165 </tr>
166 <tr>
167 <td class="paramkey"></td>
168 <td></td>
169 <td class="paramtype">uint&#160;</td>
170 <td class="paramname"><em>in1_offset_first_element_in_bytes</em>, </td>
171 </tr>
172 <tr>
173 <td class="paramkey"></td>
174 <td></td>
175 <td class="paramtype">__global uchar *&#160;</td>
176 <td class="paramname"><em>in2_ptr</em>, </td>
177 </tr>
178 <tr>
179 <td class="paramkey"></td>
180 <td></td>
181 <td class="paramtype">uint&#160;</td>
182 <td class="paramname"><em>in2_stride_x</em>, </td>
183 </tr>
184 <tr>
185 <td class="paramkey"></td>
186 <td></td>
187 <td class="paramtype">uint&#160;</td>
188 <td class="paramname"><em>in2_step_x</em>, </td>
189 </tr>
190 <tr>
191 <td class="paramkey"></td>
192 <td></td>
193 <td class="paramtype">uint&#160;</td>
194 <td class="paramname"><em>in2_stride_y</em>, </td>
195 </tr>
196 <tr>
197 <td class="paramkey"></td>
198 <td></td>
199 <td class="paramtype">uint&#160;</td>
200 <td class="paramname"><em>in2_step_y</em>, </td>
201 </tr>
202 <tr>
203 <td class="paramkey"></td>
204 <td></td>
205 <td class="paramtype">uint&#160;</td>
206 <td class="paramname"><em>in2_offset_first_element_in_bytes</em>, </td>
207 </tr>
208 <tr>
209 <td class="paramkey"></td>
210 <td></td>
211 <td class="paramtype">__global uchar *&#160;</td>
212 <td class="paramname"><em>out_ptr</em>, </td>
213 </tr>
214 <tr>
215 <td class="paramkey"></td>
216 <td></td>
217 <td class="paramtype">uint&#160;</td>
218 <td class="paramname"><em>out_stride_x</em>, </td>
219 </tr>
220 <tr>
221 <td class="paramkey"></td>
222 <td></td>
223 <td class="paramtype">uint&#160;</td>
224 <td class="paramname"><em>out_step_x</em>, </td>
225 </tr>
226 <tr>
227 <td class="paramkey"></td>
228 <td></td>
229 <td class="paramtype">uint&#160;</td>
230 <td class="paramname"><em>out_stride_y</em>, </td>
231 </tr>
232 <tr>
233 <td class="paramkey"></td>
234 <td></td>
235 <td class="paramtype">uint&#160;</td>
236 <td class="paramname"><em>out_step_y</em>, </td>
237 </tr>
238 <tr>
239 <td class="paramkey"></td>
240 <td></td>
241 <td class="paramtype">uint&#160;</td>
242 <td class="paramname"><em>out_offset_first_element_in_bytes</em>&#160;</td>
243 </tr>
244 <tr>
245 <td></td>
246 <td>)</td>
247 <td></td><td></td>
248 </tr>
249 </table>
250</div><div class="memdoc">
251
252<p>Calculate the absolute difference of two input images. </p>
253<dl class="section attention"><dt>Attention</dt><dd>The input and output data types need to be passed at compile time using -DDATA_TYPE_IN1, -DDATA_TYPE_IN2 and -DDATA_TYPE_OUT:<br />
254e.g. -DDATA_TYPE_IN1=uchar -DDATA_TYPE_IN2=uchar -DDATA_TYPE_OUT=short</dd></dl>
255<dl class="params"><dt>Parameters</dt><dd>
256 <table class="params">
257 <tr><td class="paramdir">[in]</td><td class="paramname">in1_ptr</td><td>Pointer to the first source image. Supported data types: U8, S16 </td></tr>
258 <tr><td class="paramdir">[in]</td><td class="paramname">in1_stride_x</td><td>Stride of the first source image in X dimension (in bytes) </td></tr>
259 <tr><td class="paramdir">[in]</td><td class="paramname">in1_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
260 <tr><td class="paramdir">[in]</td><td class="paramname">in1_stride_y</td><td>Stride of the first source image in Y dimension (in bytes) </td></tr>
261 <tr><td class="paramdir">[in]</td><td class="paramname">in1_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
262 <tr><td class="paramdir">[in]</td><td class="paramname">in1_offset_first_element_in_bytes</td><td>The offset of the first element in the first source image </td></tr>
263 <tr><td class="paramdir">[in]</td><td class="paramname">in2_ptr</td><td>Pointer to the second source image. Supported data types: U8, S16 </td></tr>
264 <tr><td class="paramdir">[in]</td><td class="paramname">in2_stride_x</td><td>Stride of the second source image in X dimension (in bytes) </td></tr>
265 <tr><td class="paramdir">[in]</td><td class="paramname">in2_step_x</td><td>src_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
266 <tr><td class="paramdir">[in]</td><td class="paramname">in2_stride_y</td><td>Stride of the second source image in Y dimension (in bytes) </td></tr>
267 <tr><td class="paramdir">[in]</td><td class="paramname">in2_step_y</td><td>src_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
268 <tr><td class="paramdir">[in]</td><td class="paramname">in2_offset_first_element_in_bytes</td><td>The offset of the first element in the second source image </td></tr>
269 <tr><td class="paramdir">[out]</td><td class="paramname">out_ptr</td><td>Pointer to the destination image. Supported data types: U8, S16 </td></tr>
270 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_x</td><td>Stride of the destination image in X dimension (in bytes) </td></tr>
271 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_x</td><td>dst_stride_x * number of elements along X processed per workitem(in bytes) </td></tr>
272 <tr><td class="paramdir">[in]</td><td class="paramname">out_stride_y</td><td>Stride of the destination image in Y dimension (in bytes) </td></tr>
273 <tr><td class="paramdir">[in]</td><td class="paramname">out_step_y</td><td>dst_stride_y * number of elements along Y processed per workitem(in bytes) </td></tr>
274 <tr><td class="paramdir">[in]</td><td class="paramname">out_offset_first_element_in_bytes</td><td>The offset of the first element in the destination image </td></tr>
275 </table>
276 </dd>
277</dl>
278
279<p>Definition at line <a class="el" href="absdiff_8cl_source.xhtml#l00050">50</a> of file <a class="el" href="absdiff_8cl_source.xhtml">absdiff.cl</a>.</p>
280
281<p>References <a class="el" href="helpers_8h_source.xhtml#l00035">CONVERT</a>, <a class="el" href="helpers_8h_source.xhtml#l00038">CONVERT_SAT</a>, <a class="el" href="helpers_8h_source.xhtml#l00073">CONVERT_TO_IMAGE_STRUCT</a>, <a class="el" href="convolution3x3_8cl_source.xhtml#l00031">DATA_TYPE_OUT</a>, <a class="el" href="helpers_8h_source.xhtml#l00097">Image::ptr</a>, and <a class="el" href="helpers_8h_source.xhtml#l00032">VEC_DATA_TYPE</a>.</p>
282<div class="fragment"><div class="line"><a name="l00054"></a><span class="lineno"> 54</span>&#160;{</div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> in1 = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(in1);</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> in2 = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(in2);</div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span>&#160; <a class="code" href="struct_image.xhtml">Image</a> out = <a class="code" href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a>(out);</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span>&#160;</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 16)</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span>&#160; in_a = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(vload16(0, (__global DATA_TYPE_IN1 *)in1.ptr), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(<a class="code" href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a>, 16));</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span>&#160; <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16)</div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span>&#160; in_b = <a class="code" href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a>(vload16(0, (__global DATA_TYPE_IN2 *)in2.ptr), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16));</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span>&#160;</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>&#160; vstore16(<a class="code" href="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd">CONVERT_SAT</a>(abs_diff(in_a, in_b), <a class="code" href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a>(DATA_TYPE_OUT, 16)), 0, (__global DATA_TYPE_OUT *)out.ptr);</div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>&#160;}</div><div class="ttc" id="helpers_8h_xhtml_aebe814363556c244be043b13e7969197"><div class="ttname"><a href="helpers_8h.xhtml#aebe814363556c244be043b13e7969197">CONVERT_TO_IMAGE_STRUCT</a></div><div class="ttdeci">#define CONVERT_TO_IMAGE_STRUCT(name)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00073">helpers.h:73</a></div></div>
283<div class="ttc" id="helpers_8h_xhtml_a36f754c05b6fddf6df0d8d0a74f8159f"><div class="ttname"><a href="helpers_8h.xhtml#a36f754c05b6fddf6df0d8d0a74f8159f">VEC_DATA_TYPE</a></div><div class="ttdeci">#define VEC_DATA_TYPE(type, size)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00032">helpers.h:32</a></div></div>
284<div class="ttc" id="struct_image_xhtml"><div class="ttname"><a href="struct_image.xhtml">Image</a></div><div class="ttdoc">Structure to hold Image information. </div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00095">helpers.h:95</a></div></div>
285<div class="ttc" id="helpers_8h_xhtml_a23fb01b6f3453cc0e48a026fd44f6acd"><div class="ttname"><a href="helpers_8h.xhtml#a23fb01b6f3453cc0e48a026fd44f6acd">CONVERT_SAT</a></div><div class="ttdeci">#define CONVERT_SAT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00038">helpers.h:38</a></div></div>
286<div class="ttc" id="convolution3x3_8cl_xhtml_ac06f3e24d3fffd3c465d8b2a6e7c985e"><div class="ttname"><a href="convolution3x3_8cl.xhtml#ac06f3e24d3fffd3c465d8b2a6e7c985e">DATA_TYPE_OUT</a></div><div class="ttdeci">#define DATA_TYPE_OUT</div><div class="ttdef"><b>Definition:</b> <a href="convolution3x3_8cl_source.xhtml#l00031">convolution3x3.cl:31</a></div></div>
287<div class="ttc" id="helpers_8h_xhtml_aa8d95ba04fc73845abc6045952cae5be"><div class="ttname"><a href="helpers_8h.xhtml#aa8d95ba04fc73845abc6045952cae5be">CONVERT</a></div><div class="ttdeci">#define CONVERT(x, type)</div><div class="ttdef"><b>Definition:</b> <a href="helpers_8h_source.xhtml#l00035">helpers.h:35</a></div></div>
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Anthony Barbier46d59272017-05-04 09:15:15 +0100[diff] [blame^]297 <li class="footer">Generated on Wed May 3 2017 17:20:04 for ARM Compute Library by
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